package com.mzmedia.widgets;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.Xfermode;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.widget.ImageView;

/**
 * 裁剪圆头像
 * @author wang
 *
 */
public abstract class MaskedImage extends ImageView {
    private static final Xfermode MASK_XFERMODE;
    private Bitmap mask;
    private Paint paint;
  
    static {  
        PorterDuff.Mode localMode = PorterDuff.Mode.DST_IN;
        MASK_XFERMODE = new PorterDuffXfermode(localMode);
    }  
  
    public MaskedImage(Context paramContext) {
        super(paramContext);  
    }  
  
    public MaskedImage(Context paramContext, AttributeSet paramAttributeSet) {
        super(paramContext, paramAttributeSet);  
    }  
  
    public MaskedImage(Context paramContext, AttributeSet paramAttributeSet, int paramInt) {
        super(paramContext, paramAttributeSet, paramInt);  
    }  
  
    public abstract Bitmap createMask();
  
    protected void onDraw(Canvas paramCanvas) {
        Drawable localDrawable = getDrawable();
        if (localDrawable == null)  
            return;  
        try {  
            if (this.paint == null) {  
                Paint localPaint1 = new Paint();
                this.paint = localPaint1;  
                this.paint.setFilterBitmap(false);  
                Paint localPaint2 = this.paint;
                Xfermode localXfermode1 = MASK_XFERMODE;
                @SuppressWarnings("unused")
                Xfermode localXfermode2 = localPaint2.setXfermode(localXfermode1);
            }  
            float f1 = getWidth();  
            float f2 = getHeight();  
            int i = paramCanvas.saveLayer(0.0F, 0.0F, f1, f2, null, 31);
            int j = getWidth();  
            int k = getHeight();  
            localDrawable.setBounds(0, 0, j, k);


            localDrawable.draw(paramCanvas);  
            if ((this.mask == null) || (this.mask.isRecycled())) {  
                Bitmap localBitmap1 = createMask();
                this.mask = localBitmap1;  
            }  
            Bitmap localBitmap2 = this.mask;
            Paint localPaint3 = this.paint;
            paramCanvas.drawBitmap(localBitmap2, 0.0F, 0.0F, localPaint3);  
            paramCanvas.restoreToCount(i);  
            return;  
        } catch (Exception localException) {
            StringBuilder localStringBuilder = new StringBuilder()
                    .append("Attempting to draw with recycled bitmap. View ID = ");  
            System.out.println("localStringBuilder=="+localStringBuilder);
        }  
    }  
}  